Page last updated
Tue 09 Jul 2024

The Freshwater Mussels (Unionoida) of the World (and other less consequential bivalves)

FM(U)otW(aolcb) is the web version of the MUSSEL Project Database. Follow the links to browse the data or use the custom Google search field. Either way, you win!

This page documents data for Conrad (1840), such as genera and species attributed to that publication (including known misspellings, misidentifications, and other unavailable names) as well as taxonomic opinions, if available. Taxonomic opinions refer to uses of genera and species as valid and invalid in that work.

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Publication information

Conrad, T.A. 1840. Monography of the Family Unionidae, or naiades of Lamarck, (fresh water bivalve shells) or North America, illustrated by figures drawn on stone from nature 2(13): 111-118, pls. 61-65.

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Attributed Species Names

Unio cicatricosus Conrad, 1834
‘Say’ Conrad, 1834, New Fresh-Water Shells: ??.
‘Say’ Conrad, 1840, Monogr. Fam. Unionidae 2(13): 115, pl. 64.
(misidentified reference to Unio cicatricosus Say, 1829)

Unio quadrulus Say, 1834
‘Rafinesque’ of Authors.
Say, 1834, Amer. Conch. 6: pl. 53.
Conrad, 1840, Monogr. Fam. Unionidae 2(13): 112, pl. 62.
(reference to Obliquaria (Quadrula) quadrula Rafinesque, 1820)

Taxonomic Opinions

Unio cardium (Rafinesque, 1820)
+ Unio ventricosus Barnes, 1823
+ Unio occidens Lea, 1829

Unio cicatricosus Say, 1829
+ Unio varicosus Lea, 1831

Unio cyphius [sic] (Rafinesque, 1820)
+ Unio aesopus Green, 1827

Unio plicata Say, 1819
+ Unio rariplicata Lamarck, 1819

Unio quadrulus (Rafinesque, 1820)
+ Unio rugosus Barnes, 1823
+ Unio lacrymosus Lea, 1828
+ Unio asperrimus Lea, 1831
+ Unio quadrulus Say, 1834

Unio tetralasmus Say, 1831

Page updated: 15:27:20 Tue 09 Jul 2024

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